// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2014, Oracle and/or its affiliates.
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// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
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// Licensed under the Boost Software License version 1.0.
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// http://www.boost.org/users/license.html
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#ifndef BOOST_GEOMETRY_ALGORITHS_DETAIL_DISTANCE_ITERATOR_SELECTOR_HPP
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#define BOOST_GEOMETRY_ALGORITHS_DETAIL_DISTANCE_ITERATOR_SELECTOR_HPP
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#include <boost/geometry/core/tag.hpp>
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#include <boost/geometry/core/tags.hpp>
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#include <boost/geometry/iterators/point_iterator.hpp>
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#include <boost/geometry/iterators/segment_iterator.hpp>
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namespace boost { namespace geometry
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail { namespace distance
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{
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// class to choose between point_iterator and segment_iterator
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template <typename Geometry, typename Tag = typename tag<Geometry>::type>
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struct iterator_selector
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{
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typedef geometry::segment_iterator<Geometry> iterator_type;
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static inline iterator_type begin(Geometry& geometry)
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{
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return segments_begin(geometry);
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}
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static inline iterator_type end(Geometry& geometry)
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{
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return segments_end(geometry);
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}
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};
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template <typename MultiPoint>
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struct iterator_selector<MultiPoint, multi_point_tag>
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{
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typedef geometry::point_iterator<MultiPoint> iterator_type;
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static inline iterator_type begin(MultiPoint& multipoint)
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{
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return points_begin(multipoint);
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}
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static inline iterator_type end(MultiPoint& multipoint)
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{
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return points_end(multipoint);
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}
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};
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}} // namespace detail::distance
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#endif // DOXYGEN_NO_DETAIL
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_ALGORITHS_DETAIL_DISTANCE_ITERATOR_SELECTOR_HPP
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